Datasheet

621
SAM9G45 [DATASHEET]
Atmel-6438O-ATARM-SAM9G45-Datasheet_08-Dec-15
32.8 Universal Synchronous Asynchronous Receiver Transmitter (USART) User Interface
Notes: 1. Write is possible only in LIN Master node configuration.
Table 32-17. Register Mapping
Offset Register Name Access Reset
0x0000 Control Register US_CR Write-only
0x0004 Mode Register US_MR Read/Write 0x0
0x0008 Interrupt Enable Register US_IER Write-only
0x000C Interrupt Disable Register US_IDR Write-only
0x0010 Interrupt Mask Register US_IMR Read-only 0x0
0x0014 Channel Status Register US_CSR Read-only 0x0
0x0018 Receiver Holding Register US_RHR Read-only 0x0
0x001C Transmitter Holding Register US_THR Write-only
0x0020 Baud Rate Generator Register US_BRGR Read/Write 0x0
0x0024 Receiver Time-out Register US_RTOR Read/Write 0x0
0x0028 Transmitter Timeguard Register US_TTGR Read/Write 0x0
0x2C–0x3C Reserved
0x0040 FI DI Ratio Register US_FIDI Read/Write 0x174
0x0044 Number of Errors Register US_NER Read-only 0x0
0x0048 Reserved
0x004C IrDA Filter Register US_IF Read/Write 0x0
0x0050 Manchester Encoder Decoder Register US_MAN Read/Write 0x30011004
0x0054 LIN Mode Register US_LINMR Read/Write 0x0
0x0058 LIN Identifier Register US_LINIR Read/Write
(1)
0x0
0x5C–0xFC Reserved
0x100–0x128 Reserved for PDC Registers